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Finding the Fourth Proportional to 35,149.68, 52,594.68 and 21,118.20

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Solution

The fourth proportional to 35,149.68, 52,594.68 and 21,118.20 is: 31,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,149.68 : 52,594.68 = 21,118.20 : x
  2. Step 2: Convert to fraction form
    35,149.68/52,594.68 = 21,118.20/x
  3. Step 3: Cross multiply
    35,149.68x = 52,594.68 × 21,118.20
  4. Step 4: Simplify right side
    35,149.68x = 1,110,704,971.18
  5. Step 5: Solve for x
    x = 1,110,704,971.18/35,149.68
  6. Step 6: Final answer
    x = 31,599.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.